| Acronym | Meaning |
| UF | Uncertainty Factor (in Oral RfD) |
| CEC | Commission Of The European Communities |
| RE | Relativistic Eikonal |
| SC-FLAPW | Self-consistent Full-potential Linearized-augmented-plane-wave |
| APXPS | Appearance Potential X-ray Photoemission Spectroscopy |
| NSCF | Non-self-consistent Field |
| JWF | Jastrow Wave Function |
| JKR | Johnson-Kendall-Roberts Contact Model |
| DINA | Diisononyl Adipate |
| OCEE | Overlap Corrected Electronegativity Equalization |